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From 364b2e413c69daf189d2bc0238e3ba9b0dcbd937 Mon Sep 17 00:00:00 2001
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From: Lianbo Jiang <lijiang@redhat.com>
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Date: Mon, 23 May 2022 18:04:13 +0800
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Subject: [PATCH 01/15] sbitmapq: remove struct and member validation in
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sbitmapq_init()
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Let's remove the struct and member validation from sbitmapq_init(), which
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will help the crash to display the actual error when the sbitmapq fails.
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Without the patch:
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crash> sbitmapq ffff8e99d0dc8010
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sbitmapq: command not supported or applicable on this architecture or kernel
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With the patch:
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crash> sbitmapq ffff8e99d0dc8010
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sbitmapq: invalid structure member offset: sbitmap_queue_alloc_hint
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FILE: sbitmap.c LINE: 365 FUNCTION: sbitmap_queue_context_load()
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Signed-off-by: Lianbo Jiang <lijiang@redhat.com>
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---
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sbitmap.c | 24 ------------------------
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1 file changed, 24 deletions(-)
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diff --git a/sbitmap.c b/sbitmap.c
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index 96a61e6c2c71..7693eef6cebd 100644
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--- a/sbitmap.c
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+++ b/sbitmap.c
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@@ -525,30 +525,6 @@ void sbitmapq_init(void)
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MEMBER_OFFSET_INIT(sbq_wait_state_wait_cnt, "sbq_wait_state", "wait_cnt");
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MEMBER_OFFSET_INIT(sbq_wait_state_wait, "sbq_wait_state", "wait");
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- if (!VALID_SIZE(sbitmap_word) ||
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- !VALID_SIZE(sbitmap) ||
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- !VALID_SIZE(sbitmap_queue) ||
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- !VALID_SIZE(sbq_wait_state) ||
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- INVALID_MEMBER(sbitmap_word_depth) ||
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- INVALID_MEMBER(sbitmap_word_word) ||
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- INVALID_MEMBER(sbitmap_word_cleared) ||
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- INVALID_MEMBER(sbitmap_depth) ||
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- INVALID_MEMBER(sbitmap_shift) ||
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- INVALID_MEMBER(sbitmap_map_nr) ||
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- INVALID_MEMBER(sbitmap_map) ||
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- INVALID_MEMBER(sbitmap_queue_sb) ||
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- INVALID_MEMBER(sbitmap_queue_alloc_hint) ||
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- INVALID_MEMBER(sbitmap_queue_wake_batch) ||
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- INVALID_MEMBER(sbitmap_queue_wake_index) ||
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- INVALID_MEMBER(sbitmap_queue_ws) ||
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- INVALID_MEMBER(sbitmap_queue_ws_active) ||
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- INVALID_MEMBER(sbitmap_queue_round_robin) ||
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- INVALID_MEMBER(sbitmap_queue_min_shallow_depth) ||
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- INVALID_MEMBER(sbq_wait_state_wait_cnt) ||
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- INVALID_MEMBER(sbq_wait_state_wait)) {
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- command_not_supported();
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- }
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-
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sb_flags |= SB_FLAG_INIT;
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}
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--
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2.30.2
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